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 default: 582 ring = NULL; 583 break; 584 } 585 if (!ring) 586 return; 587 588 if (cnt == 2) { 589 switch (type) { 590 case RING_TYPE_RX: 591 dev_info(&pf->pdev->dev, "VSI = %02i Rx ring = %02i\n", vsi_seid, ring_id); 592 break; 593 case RING_TYPE_TX: 594 dev_info(&pf->pdev->dev, "VSI = %02i Tx ring = %02i\n", vsi_seid, ring_id); 595 break; 596 case RING_TYPE_XDP: 597 dev_info(&pf->pdev->dev, "VSI = %02i XDP ring = %02i\n", vsi_seid, ring_id); 598 break; 599 } 600 for (i = 0; i < ring->count; i++) { 601 if (!is_rx_ring) { 602 txd = I40E_TX_DESC(ring, i); 603 dev_info(&pf->pdev->dev, 604 " d[%03x] = 0x%016llx 0x%016llx\n", 605 i, txd->buffer_addr, 606 txd->cmd_type_offset_bsz); 607 } else { 608 rxd = I40E_RX_DESC(ring, i); 609 dev_info(&pf->pdev->dev, 610 " d[%03x] = 0x%016llx 0x%016llx\n", 611 i, rxd->read.pkt_addr, 612 rxd->read.hdr_addr); 613 } 614 } 615 } else if (cnt == 3) { 616 if (desc_n >= ring->count || desc_n < 0) { 617 dev_info(&pf->pdev->dev, 618 "descriptor %d not found\n", desc_n); 619 goto out; 620 } 621 if (!is_rx_ring) { 622 txd = I40E_TX_DESC(ring, desc_n); 623 dev_info(&pf->pdev->dev, 624 "vsi = %02i tx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 625 vsi_seid, ring_id, desc_n, 626 txd->buffer_addr, txd->cmd_type_offset_bsz); 627 } else { 628 rxd = I40E_RX_DESC(ring, desc_n); 629 dev_info(&pf->pdev->dev, 630 "vsi = %02i rx ring = %02i d[%03x] = 0x%016llx 0x%016llx\n", 631 vsi_seid, ring_id, desc_n, 632 rxd->read.pkt_addr, rxd->read.hdr_addr); 633 } 634 } else { 635 dev_info(&pf->pdev->dev, "dump desc rx/tx/xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 636 } 637 638 out: 639 kfree(ring); 640 } 641 642 /** 643 * i40e_dbg_dump_vsi_no_seid - handles dump vsi write into command datum 644 * @pf: the i40e_pf created in command write 645 **/ 646 static void i40e_dbg_dump_vsi_no_seid(struct i40e_pf *pf) 647 { 648 int i; 649 650 for (i = 0; i < pf->num_alloc_vsi; i++) 651 if (pf->vsi[i]) 652 dev_info(&pf->pdev->dev, "dump vsi[%d]: %d\n", 653 i, pf->vsi[i]->seid); 654 } 655 656 /** 657 * i40e_dbg_dump_stats - handles dump stats write into command datum 658 * @pf: the i40e_pf created in command write 659 * @estats: the eth stats structure to be dumped 660 **/ 661 static void i40e_dbg_dump_eth_stats(struct i40e_pf *pf, 662 struct i40e_eth_stats *estats) 663 { 664 dev_info(&pf->pdev->dev, " ethstats:\n"); 665 dev_info(&pf->pdev->dev, 666 " rx_bytes = \t%lld \trx_unicast = \t\t%lld \trx_multicast = \t%lld\n", 667 estats->rx_bytes, estats->rx_unicast, estats->rx_multicast); 668 dev_info(&pf->pdev->dev, 669 " rx_broadcast = \t%lld \trx_discards = \t\t%lld\n", 670 estats->rx_broadcast, estats->rx_discards); 671 dev_info(&pf->pdev->dev, 672 " rx_unknown_protocol = \t%lld \ttx_bytes = \t%lld\n", 673 estats->rx_unknown_protocol, estats->tx_bytes); 674 dev_info(&pf->pdev->dev, 675 " tx_unicast = \t%lld \ttx_multicast = \t\t%lld \ttx_broadcast = \t%lld\n", 676 estats->tx_unicast, estats->tx_multicast, estats->tx_broadcast); 677 dev_info(&pf->pdev->dev, 678 " tx_discards = \t%lld \ttx_errors = \t\t%lld\n", 679 estats->tx_discards, estats->tx_errors); 680 } 681 682 /** 683 * i40e_dbg_dump_veb_seid - handles dump stats of a single given veb 684 * @pf: the i40e_pf created in command write 685 * @seid: the seid the user put in 686 **/ 687 static void i40e_dbg_dump_veb_seid(struct i40e_pf *pf, int seid) 688 { 689 struct i40e_veb *veb; 690 691 veb = i40e_dbg_find_veb(pf, seid); 692 if (!veb) { 693 dev_info(&pf->pdev->dev, "can't find veb %d\n", seid); 694 return; 695 } 696 dev_info(&pf->pdev->dev, 697 "veb idx=%d,%d stats_ic=%d seid=%d uplink=%d mode=%s\n", 698 veb->idx, veb->veb_idx, veb->stats_idx, veb->seid, 699 veb->uplink_seid, 700 veb->bridge_mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); 701 i40e_dbg_dump_eth_stats(pf, &veb->stats); 702 } 703 704 /** 705 * i40e_dbg_dump_veb_all - dumps all known veb's stats 706 * @pf: the i40e_pf created in command write 707 **/ 708 static void i40e_dbg_dump_veb_all(struct i40e_pf *pf) 709 { 710 struct i40e_veb *veb; 711 int i; 712 713 for (i = 0; i < I40E_MAX_VEB; i++) { 714 veb = pf->veb[i]; 715 if (veb) 716 i40e_dbg_dump_veb_seid(pf, veb->seid); 717 } 718 } 719 720 /** 721 * i40e_dbg_dump_vf - dump VF info 722 * @pf: the i40e_pf created in command write 723 * @vf_id: the vf_id from the user 724 **/ 725 static void i40e_dbg_dump_vf(struct i40e_pf *pf, int vf_id) 726 { 727 struct i40e_vf *vf; 728 struct i40e_vsi *vsi; 729 730 if (!pf->num_alloc_vfs) { 731 dev_info(&pf->pdev->dev, "no VFs allocated\n"); 732 } else if ((vf_id >= 0) && (vf_id < pf->num_alloc_vfs)) { 733 vf = &pf->vf[vf_id]; 734 vsi = pf->vsi[vf->lan_vsi_idx]; 735 dev_info(&pf->pdev->dev, "vf %2d: VSI id=%d, seid=%d, qps=%d\n", 736 vf_id, vf->lan_vsi_id, vsi->seid, vf->num_queue_pairs); 737 dev_info(&pf->pdev->dev, " num MDD=%lld, invalid msg=%lld, valid msg=%lld\n", 738 vf->num_mdd_events, 739 vf->num_invalid_msgs, 740 vf->num_valid_msgs); 741 } else { 742 dev_info(&pf->pdev->dev, "invalid VF id %d\n", vf_id); 743 } 744 } 745 746 /** 747 * i40e_dbg_dump_vf_all - dump VF info for all VFs 748 * @pf: the i40e_pf created in command write 749 **/ 750 static void i40e_dbg_dump_vf_all(struct i40e_pf *pf) 751 { 752 int i; 753 754 if (!pf->num_alloc_vfs) 755 dev_info(&pf->pdev->dev, "no VFs enabled!\n"); 756 else 757 for (i = 0; i < pf->num_alloc_vfs; i++) 758 i40e_dbg_dump_vf(pf, i); 759 } 760 761 /** 762 * i40e_dbg_command_write - write into command datum 763 * @filp: the opened file 764 * @buffer: where to find the user's data 765 * @count: the length of the user's data 766 * @ppos: file position offset 767 **/ 768 static ssize_t i40e_dbg_command_write(struct file *filp, 769 const char __user *buffer, 770 size_t count, loff_t *ppos) 771 { 772 struct i40e_pf *pf = filp->private_data; 773 char *cmd_buf, *cmd_buf_tmp; 774 int bytes_not_copied; 775 struct i40e_vsi *vsi; 776 int vsi_seid; 777 int veb_seid; 778 int vf_id; 779 int cnt; 780 781 /* don't allow partial writes */ 782 if (*ppos != 0) 783 return 0; 784 785 cmd_buf = kzalloc(count + 1, GFP_KERNEL); 786 if (!cmd_buf) 787 return count; 788 bytes_not_copied = copy_from_user(cmd_buf, buffer, count); 789 if (bytes_not_copied) { 790 kfree(cmd_buf); 791 return -EFAULT; 792 } 793 cmd_buf[count] = '\0'; 794 795 cmd_buf_tmp = strchr(cmd_buf, '\n'); 796 if (cmd_buf_tmp) { 797 *cmd_buf_tmp = '\0'; 798 count = cmd_buf_tmp - cmd_buf + 1; 799 } 800 801 if (strncmp(cmd_buf, "add vsi", 7) == 0) { 802 vsi_seid = -1; 803 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 804 if (cnt == 0) { 805 /* default to PF VSI */ 806 vsi_seid = pf->vsi[pf->lan_vsi]->seid; 807 } else if (vsi_seid < 0) { 808 dev_info(&pf->pdev->dev, "add VSI %d: bad vsi seid\n", 809 vsi_seid); 810 goto command_write_done; 811 } 812 813 /* By default we are in VEPA mode, if this is the first VF/VMDq 814 * VSI to be added switch to VEB mode. 815 */ 816 if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { 817 pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; 818 i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG); 819 } 820 821 vsi = i40e_vsi_setup(pf, I40E_VSI_VMDQ2, vsi_seid, 0); 822 if (vsi) 823 dev_info(&pf->pdev->dev, "added VSI %d to relay %d\n", 824 vsi->seid, vsi->uplink_seid); 825 else 826 dev_info(&pf->pdev->dev, "'%s' failed\n", cmd_buf); 827 828 } else if (strncmp(cmd_buf, "del vsi", 7) == 0) { 829 cnt = sscanf(&cmd_buf[7], "%i", &vsi_seid); 830 if (cnt != 1) { 831 dev_info(&pf->pdev->dev, 832 "del vsi: bad command string, cnt=%d\n", 833 cnt); 834 goto command_write_done; 835 } 836 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 837 if (!vsi) { 838 dev_info(&pf->pdev->dev, "del VSI %d: seid not found\n", 839 vsi_seid); 840 goto command_write_done; 841 } 842 843 dev_info(&pf->pdev->dev, "deleting VSI %d\n", vsi_seid); 844 i40e_vsi_release(vsi); 845 846 } else if (strncmp(cmd_buf, "add relay", 9) == 0) { 847 struct i40e_veb *veb; 848 int uplink_seid, i; 849 850 cnt = sscanf(&cmd_buf[9], "%i %i", &uplink_seid, &vsi_seid); 851 if (cnt != 2) { 852 dev_info(&pf->pdev->dev, 853 "add relay: bad command string, cnt=%d\n", 854 cnt); 855 goto command_write_done; 856 } else if (uplink_seid < 0) { 857 dev_info(&pf->pdev->dev, 858 "add relay %d: bad uplink seid\n", 859 uplink_seid); 860 goto command_write_done; 861 } 862 863 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 864 if (!vsi) { 865 dev_info(&pf->pdev->dev, 866 "add relay: VSI %d not found\n", vsi_seid); 867 goto command_write_done; 868 } 869 870 for (i = 0; i < I40E_MAX_VEB; i++) 871 if (pf->veb[i] && pf->veb[i]->seid == uplink_seid) 872 break; 873 if (i >= I40E_MAX_VEB && uplink_seid != 0 && 874 uplink_seid != pf->mac_seid) { 875 dev_info(&pf->pdev->dev, 876 "add relay: relay uplink %d not found\n", 877 uplink_seid); 878 goto command_write_done; 879 } 880 881 veb = i40e_veb_setup(pf, 0, uplink_seid, vsi_seid, 882 vsi->tc_config.enabled_tc); 883 if (veb) 884 dev_info(&pf->pdev->dev, "added relay %d\n", veb->seid); 885 else 886 dev_info(&pf->pdev->dev, "add relay failed\n"); 887 888 } else if (strncmp(cmd_buf, "del relay", 9) == 0) { 889 int i; 890 cnt = sscanf(&cmd_buf[9], "%i", &veb_seid); 891 if (cnt != 1) { 892 dev_info(&pf->pdev->dev, 893 "del relay: bad command string, cnt=%d\n", 894 cnt); 895 goto command_write_done; 896 } else if (veb_seid < 0) { 897 dev_info(&pf->pdev->dev, 898 "del relay %d: bad relay seid\n", veb_seid); 899 goto command_write_done; 900 } 901 902 /* find the veb */ 903 for (i = 0; i < I40E_MAX_VEB; i++) 904 if (pf->veb[i] && pf->veb[i]->seid == veb_seid) 905 break; 906 if (i >= I40E_MAX_VEB) { 907 dev_info(&pf->pdev->dev, 908 "del relay: relay %d not found\n", veb_seid); 909 goto command_write_done; 910 } 911 912 dev_info(&pf->pdev->dev, "deleting relay %d\n", veb_seid); 913 i40e_veb_release(pf->veb[i]); 914 } else if (strncmp(cmd_buf, "add pvid", 8) == 0) { 915 i40e_status ret; 916 u16 vid; 917 unsigned int v; 918 919 cnt = sscanf(&cmd_buf[8], "%i %u", &vsi_seid, &v); 920 if (cnt != 2) { 921 dev_info(&pf->pdev->dev, 922 "add pvid: bad command string, cnt=%d\n", cnt); 923 goto command_write_done; 924 } 925 926 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 927 if (!vsi) { 928 dev_info(&pf->pdev->dev, "add pvid: VSI %d not found\n", 929 vsi_seid); 930 goto command_write_done; 931 } 932 933 vid = v; 934 ret = i40e_vsi_add_pvid(vsi, vid); 935 if (!ret) 936 dev_info(&pf->pdev->dev, 937 "add pvid: %d added to VSI %d\n", 938 vid, vsi_seid); 939 else 940 dev_info(&pf->pdev->dev, 941 "add pvid: %d to VSI %d failed, ret=%d\n", 942 vid, vsi_seid, ret); 943 944 } else if (strncmp(cmd_buf, "del pvid", 8) == 0) { 945 946 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 947 if (cnt != 1) { 948 dev_info(&pf->pdev->dev, 949 "del pvid: bad command string, cnt=%d\n", 950 cnt); 951 goto command_write_done; 952 } 953 954 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 955 if (!vsi) { 956 dev_info(&pf->pdev->dev, 957 "del pvid: VSI %d not found\n", vsi_seid); 958 goto command_write_done; 959 } 960 961 i40e_vsi_remove_pvid(vsi); 962 dev_info(&pf->pdev->dev, 963 "del pvid: removed from VSI %d\n", vsi_seid); 964 965 } else if (strncmp(cmd_buf, "dump", 4) == 0) { 966 if (strncmp(&cmd_buf[5], "switch", 6) == 0) { 967 i40e_fetch_switch_configuration(pf, true); 968 } else if (strncmp(&cmd_buf[5], "vsi", 3) == 0) { 969 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 970 if (cnt > 0) 971 i40e_dbg_dump_vsi_seid(pf, vsi_seid); 972 else 973 i40e_dbg_dump_vsi_no_seid(pf); 974 } else if (strncmp(&cmd_buf[5], "veb", 3) == 0) { 975 cnt = sscanf(&cmd_buf[8], "%i", &vsi_seid); 976 if (cnt > 0) 977 i40e_dbg_dump_veb_seid(pf, vsi_seid); 978 else 979 i40e_dbg_dump_veb_all(pf); 980 } else if (strncmp(&cmd_buf[5], "vf", 2) == 0) { 981 cnt = sscanf(&cmd_buf[7], "%i", &vf_id); 982 if (cnt > 0) 983 i40e_dbg_dump_vf(pf, vf_id); 984 else 985 i40e_dbg_dump_vf_all(pf); 986 } else if (strncmp(&cmd_buf[5], "desc", 4) == 0) { 987 int ring_id, desc_n; 988 if (strncmp(&cmd_buf[10], "rx", 2) == 0) { 989 cnt = sscanf(&cmd_buf[12], "%i %i %i", 990 &vsi_seid, &ring_id, &desc_n); 991 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 992 desc_n, pf, RING_TYPE_RX); 993 } else if (strncmp(&cmd_buf[10], "tx", 2) 994 == 0) { 995 cnt = sscanf(&cmd_buf[12], "%i %i %i", 996 &vsi_seid, &ring_id, &desc_n); 997 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 998 desc_n, pf, RING_TYPE_TX); 999 } else if (strncmp(&cmd_buf[10], "xdp", 3) 1000 == 0) { 1001 cnt = sscanf(&cmd_buf[13], "%i %i %i", 1002 &vsi_seid, &ring_id, &desc_n); 1003 i40e_dbg_dump_desc(cnt, vsi_seid, ring_id, 1004 desc_n, pf, RING_TYPE_XDP); 1005 } else if (strncmp(&cmd_buf[10], "aq", 2) == 0) { 1006 i40e_dbg_dump_aq_desc(pf); 1007 } else { 1008 dev_info(&pf->pdev->dev, 1009 "dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1010 dev_info(&pf->pdev->dev, 1011 "dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1012 dev_info(&pf->pdev->dev, 1013 "dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1014 dev_info(&pf->pdev->dev, "dump desc aq\n"); 1015 } 1016 } else if (strncmp(&cmd_buf[5], "reset stats", 11) == 0) { 1017 dev_info(&pf->pdev->dev, 1018 "core reset count: %d\n", pf->corer_count); 1019 dev_info(&pf->pdev->dev, 1020 "global reset count: %d\n", pf->globr_count); 1021 dev_info(&pf->pdev->dev, 1022 "emp reset count: %d\n", pf->empr_count); 1023 dev_info(&pf->pdev->dev, 1024 "pf reset count: %d\n", pf->pfr_count); 1025 dev_info(&pf->pdev->dev, 1026 "pf tx sluggish count: %d\n", 1027 pf->tx_sluggish_count); 1028 } else if (strncmp(&cmd_buf[5], "port", 4) == 0) { 1029 struct i40e_aqc_query_port_ets_config_resp *bw_data; 1030 struct i40e_dcbx_config *cfg = 1031 &pf->hw.local_dcbx_config; 1032 struct i40e_dcbx_config *r_cfg = 1033 &pf->hw.remote_dcbx_config; 1034 int i, ret; 1035 u16 switch_id; 1036 1037 bw_data = kzalloc(sizeof( 1038 struct i40e_aqc_query_port_ets_config_resp), 1039 GFP_KERNEL); 1040 if (!bw_data) { 1041 ret = -ENOMEM; 1042 goto command_write_done; 1043 } 1044 1045 vsi = pf->vsi[pf->lan_vsi]; 1046 switch_id = 1047 le16_to_cpu(vsi->info.switch_id) & 1048 I40E_AQ_VSI_SW_ID_MASK; 1049 1050 ret = i40e_aq_query_port_ets_config(&pf->hw, 1051 switch_id, 1052 bw_data, NULL); 1053 if (ret) { 1054 dev_info(&pf->pdev->dev, 1055 "Query Port ETS Config AQ command failed =0x%x\n", 1056 pf->hw.aq.asq_last_status); 1057 kfree(bw_data); 1058 bw_data = NULL; 1059 goto command_write_done; 1060 } 1061 dev_info(&pf->pdev->dev, 1062 "port bw: tc_valid=0x%x tc_strict_prio=0x%x, tc_bw_max=0x%04x,0x%04x\n", 1063 bw_data->tc_valid_bits, 1064 bw_data->tc_strict_priority_bits, 1065 le16_to_cpu(bw_data->tc_bw_max[0]), 1066 le16_to_cpu(bw_data->tc_bw_max[1])); 1067 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1068 dev_info(&pf->pdev->dev, "port bw: tc_bw_share=%d tc_bw_limit=%d\n", 1069 bw_data->tc_bw_share_credits[i], 1070 le16_to_cpu(bw_data->tc_bw_limits[i])); 1071 } 1072 1073 kfree(bw_data); 1074 bw_data = NULL; 1075 1076 dev_info(&pf->pdev->dev, 1077 "port dcbx_mode=%d\n", cfg->dcbx_mode); 1078 dev_info(&pf->pdev->dev, 1079 "port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1080 cfg->etscfg.willing, cfg->etscfg.cbs, 1081 cfg->etscfg.maxtcs); 1082 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1083 dev_info(&pf->pdev->dev, "port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1084 i, cfg->etscfg.prioritytable[i], 1085 cfg->etscfg.tcbwtable[i], 1086 cfg->etscfg.tsatable[i]); 1087 } 1088 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1089 dev_info(&pf->pdev->dev, "port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1090 i, cfg->etsrec.prioritytable[i], 1091 cfg->etsrec.tcbwtable[i], 1092 cfg->etsrec.tsatable[i]); 1093 } 1094 dev_info(&pf->pdev->dev, 1095 "port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1096 cfg->pfc.willing, cfg->pfc.mbc, 1097 cfg->pfc.pfccap, cfg->pfc.pfcenable); 1098 dev_info(&pf->pdev->dev, 1099 "port app_table: num_apps=%d\n", cfg->numapps); 1100 for (i = 0; i < cfg->numapps; i++) { 1101 dev_info(&pf->pdev->dev, "port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1102 i, cfg->app[i].priority, 1103 cfg->app[i].selector, 1104 cfg->app[i].protocolid); 1105 } 1106 /* Peer TLV DCBX data */ 1107 dev_info(&pf->pdev->dev, 1108 "remote port ets_cfg: willing=%d cbs=%d, maxtcs=%d\n", 1109 r_cfg->etscfg.willing, 1110 r_cfg->etscfg.cbs, r_cfg->etscfg.maxtcs); 1111 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1112 dev_info(&pf->pdev->dev, "remote port ets_cfg: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1113 i, r_cfg->etscfg.prioritytable[i], 1114 r_cfg->etscfg.tcbwtable[i], 1115 r_cfg->etscfg.tsatable[i]); 1116 } 1117 for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { 1118 dev_info(&pf->pdev->dev, "remote port ets_rec: %d prio_tc=%d tcbw=%d tctsa=%d\n", 1119 i, r_cfg->etsrec.prioritytable[i], 1120 r_cfg->etsrec.tcbwtable[i], 1121 r_cfg->etsrec.tsatable[i]); 1122 } 1123 dev_info(&pf->pdev->dev, 1124 "remote port pfc_cfg: willing=%d mbc=%d, pfccap=%d pfcenable=0x%x\n", 1125 r_cfg->pfc.willing, 1126 r_cfg->pfc.mbc, 1127 r_cfg->pfc.pfccap, 1128 r_cfg->pfc.pfcenable); 1129 dev_info(&pf->pdev->dev, 1130 "remote port app_table: num_apps=%d\n", 1131 r_cfg->numapps); 1132 for (i = 0; i < r_cfg->numapps; i++) { 1133 dev_info(&pf->pdev->dev, "remote port app_table: %d prio=%d selector=%d protocol=0x%x\n", 1134 i, r_cfg->app[i].priority, 1135 r_cfg->app[i].selector, 1136 r_cfg->app[i].protocolid); 1137 } 1138 } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { 1139 int cluster_id, table_id; 1140 int index, ret; 1141 u16 buff_len = 4096; 1142 u32 next_index; 1143 u8 next_table; 1144 u8 *buff; 1145 u16 rlen; 1146 1147 cnt = sscanf(&cmd_buf[18], "%i %i %i", 1148 &cluster_id, &table_id, &index); 1149 if (cnt != 3) { 1150 dev_info(&pf->pdev->dev, 1151 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1152 goto command_write_done; 1153 } 1154 1155 dev_info(&pf->pdev->dev, 1156 "AQ debug dump fwdata params %x %x %x %x\n", 1157 cluster_id, table_id, index, buff_len); 1158 buff = kzalloc(buff_len, GFP_KERNEL); 1159 if (!buff) 1160 goto command_write_done; 1161 1162 ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, 1163 index, buff_len, buff, &rlen, 1164 &next_table, &next_index, 1165 NULL); 1166 if (ret) { 1167 dev_info(&pf->pdev->dev, 1168 "debug dump fwdata AQ Failed %d 0x%x\n", 1169 ret, pf->hw.aq.asq_last_status); 1170 kfree(buff); 1171 buff = NULL; 1172 goto command_write_done; 1173 } 1174 dev_info(&pf->pdev->dev, 1175 "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", 1176 rlen, next_table, next_index); 1177 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1178 DUMP_PREFIX_OFFSET, 16, 1, 1179 buff, rlen, true); 1180 kfree(buff); 1181 buff = NULL; 1182 } else { 1183 dev_info(&pf->pdev->dev, 1184 "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"); 1185 dev_info(&pf->pdev->dev, "dump switch\n"); 1186 dev_info(&pf->pdev->dev, "dump vsi [seid]\n"); 1187 dev_info(&pf->pdev->dev, "dump reset stats\n"); 1188 dev_info(&pf->pdev->dev, "dump port\n"); 1189 dev_info(&pf->pdev->dev, "dump vf [vf_id]\n"); 1190 dev_info(&pf->pdev->dev, 1191 "dump debug fwdata <cluster_id> <table_id> <index>\n"); 1192 } 1193 } else if (strncmp(cmd_buf, "pfr", 3) == 0) { 1194 dev_info(&pf->pdev->dev, "debugfs: forcing PFR\n"); 1195 i40e_do_reset_safe(pf, BIT(__I40E_PF_RESET_REQUESTED)); 1196 1197 } else if (strncmp(cmd_buf, "corer", 5) == 0) { 1198 dev_info(&pf->pdev->dev, "debugfs: forcing CoreR\n"); 1199 i40e_do_reset_safe(pf, BIT(__I40E_CORE_RESET_REQUESTED)); 1200 1201 } else if (strncmp(cmd_buf, "globr", 5) == 0) { 1202 dev_info(&pf->pdev->dev, "debugfs: forcing GlobR\n"); 1203 i40e_do_reset_safe(pf, BIT(__I40E_GLOBAL_RESET_REQUESTED)); 1204 1205 } else if (strncmp(cmd_buf, "read", 4) == 0) { 1206 u32 address; 1207 u32 value; 1208 1209 cnt = sscanf(&cmd_buf[4], "%i", &address); 1210 if (cnt != 1) { 1211 dev_info(&pf->pdev->dev, "read <reg>\n"); 1212 goto command_write_done; 1213 } 1214 1215 /* check the range on address */ 1216 if (address > (pf->ioremap_len - sizeof(u32))) { 1217 dev_info(&pf->pdev->dev, "read reg address 0x%08x too large, max=0x%08lx\n", 1218 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1219 goto command_write_done; 1220 } 1221 1222 value = rd32(&pf->hw, address); 1223 dev_info(&pf->pdev->dev, "read: 0x%08x = 0x%08x\n", 1224 address, value); 1225 1226 } else if (strncmp(cmd_buf, "write", 5) == 0) { 1227 u32 address, value; 1228 1229 cnt = sscanf(&cmd_buf[5], "%i %i", &address, &value); 1230 if (cnt != 2) { 1231 dev_info(&pf->pdev->dev, "write <reg> <value>\n"); 1232 goto command_write_done; 1233 } 1234 1235 /* check the range on address */ 1236 if (address > (pf->ioremap_len - sizeof(u32))) { 1237 dev_info(&pf->pdev->dev, "write reg address 0x%08x too large, max=0x%08lx\n", 1238 address, (unsigned long int)(pf->ioremap_len - sizeof(u32))); 1239 goto command_write_done; 1240 } 1241 wr32(&pf->hw, address, value); 1242 value = rd32(&pf->hw, address); 1243 dev_info(&pf->pdev->dev, "write: 0x%08x = 0x%08x\n", 1244 address, value); 1245 } else if (strncmp(cmd_buf, "clear_stats", 11) == 0) { 1246 if (strncmp(&cmd_buf[12], "vsi", 3) == 0) { 1247 cnt = sscanf(&cmd_buf[15], "%i", &vsi_seid); 1248 if (cnt == 0) { 1249 int i; 1250 1251 for (i = 0; i < pf->num_alloc_vsi; i++) 1252 i40e_vsi_reset_stats(pf->vsi[i]); 1253 dev_info(&pf->pdev->dev, "vsi clear stats called for all vsi's\n"); 1254 } else if (cnt == 1) { 1255 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1256 if (!vsi) { 1257 dev_info(&pf->pdev->dev, 1258 "clear_stats vsi: bad vsi %d\n", 1259 vsi_seid); 1260 goto command_write_done; 1261 } 1262 i40e_vsi_reset_stats(vsi); 1263 dev_info(&pf->pdev->dev, 1264 "vsi clear stats called for vsi %d\n", 1265 vsi_seid); 1266 } else { 1267 dev_info(&pf->pdev->dev, "clear_stats vsi [seid]\n"); 1268 } 1269 } else if (strncmp(&cmd_buf[12], "port", 4) == 0) { 1270 if (pf->hw.partition_id == 1) { 1271 i40e_pf_reset_stats(pf); 1272 dev_info(&pf->pdev->dev, "port stats cleared\n"); 1273 } else { 1274 dev_info(&pf->pdev->dev, "clear port stats not allowed on this port partition\n"); 1275 } 1276 } else { 1277 dev_info(&pf->pdev->dev, "clear_stats vsi [seid] or clear_stats port\n"); 1278 } 1279 } else if (strncmp(cmd_buf, "send aq_cmd", 11) == 0) { 1280 struct i40e_aq_desc *desc; 1281 i40e_status ret; 1282 1283 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1284 if (!desc) 1285 goto command_write_done; 1286 cnt = sscanf(&cmd_buf[11], 1287 "%hi %hi %hi %hi %i %i %i %i %i %i", 1288 &desc->flags, 1289 &desc->opcode, &desc->datalen, &desc->retval, 1290 &desc->cookie_high, &desc->cookie_low, 1291 &desc->params.internal.param0, 1292 &desc->params.internal.param1, 1293 &desc->params.internal.param2, 1294 &desc->params.internal.param3); 1295 if (cnt != 10) { 1296 dev_info(&pf->pdev->dev, 1297 "send aq_cmd: bad command string, cnt=%d\n", 1298 cnt); 1299 kfree(desc); 1300 desc = NULL; 1301 goto command_write_done; 1302 } 1303 ret = i40e_asq_send_command(&pf->hw, desc, NULL, 0, NULL); 1304 if (!ret) { 1305 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1306 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1307 dev_info(&pf->pdev->dev, 1308 "AQ command send failed Opcode %x AQ Error: %d\n", 1309 desc->opcode, pf->hw.aq.asq_last_status); 1310 } else { 1311 dev_info(&pf->pdev->dev, 1312 "AQ command send failed Opcode %x Status: %d\n", 1313 desc->opcode, ret); 1314 } 1315 dev_info(&pf->pdev->dev, 1316 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1317 desc->flags, desc->opcode, desc->datalen, desc->retval, 1318 desc->cookie_high, desc->cookie_low, 1319 desc->params.internal.param0, 1320 desc->params.internal.param1, 1321 desc->params.internal.param2, 1322 desc->params.internal.param3); 1323 kfree(desc); 1324 desc = NULL; 1325 } else if (strncmp(cmd_buf, "send indirect aq_cmd", 20) == 0) { 1326 struct i40e_aq_desc *desc; 1327 i40e_status ret; 1328 u16 buffer_len; 1329 u8 *buff; 1330 1331 desc = kzalloc(sizeof(struct i40e_aq_desc), GFP_KERNEL); 1332 if (!desc) 1333 goto command_write_done; 1334 cnt = sscanf(&cmd_buf[20], 1335 "%hi %hi %hi %hi %i %i %i %i %i %i %hi", 1336 &desc->flags, 1337 &desc->opcode, &desc->datalen, &desc->retval, 1338 &desc->cookie_high, &desc->cookie_low, 1339 &desc->params.internal.param0, 1340 &desc->params.internal.param1, 1341 &desc->params.internal.param2, 1342 &desc->params.internal.param3, 1343 &buffer_len); 1344 if (cnt != 11) { 1345 dev_info(&pf->pdev->dev, 1346 "send indirect aq_cmd: bad command string, cnt=%d\n", 1347 cnt); 1348 kfree(desc); 1349 desc = NULL; 1350 goto command_write_done; 1351 } 1352 /* Just stub a buffer big enough in case user messed up */ 1353 if (buffer_len == 0) 1354 buffer_len = 1280; 1355 1356 buff = kzalloc(buffer_len, GFP_KERNEL); 1357 if (!buff) { 1358 kfree(desc); 1359 desc = NULL; 1360 goto command_write_done; 1361 } 1362 desc->flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); 1363 ret = i40e_asq_send_command(&pf->hw, desc, buff, 1364 buffer_len, NULL); 1365 if (!ret) { 1366 dev_info(&pf->pdev->dev, "AQ command sent Status : Success\n"); 1367 } else if (ret == I40E_ERR_ADMIN_QUEUE_ERROR) { 1368 dev_info(&pf->pdev->dev, 1369 "AQ command send failed Opcode %x AQ Error: %d\n", 1370 desc->opcode, pf->hw.aq.asq_last_status); 1371 } else { 1372 dev_info(&pf->pdev->dev, 1373 "AQ command send failed Opcode %x Status: %d\n", 1374 desc->opcode, ret); 1375 } 1376 dev_info(&pf->pdev->dev, 1377 "AQ desc WB 0x%04x 0x%04x 0x%04x 0x%04x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n", 1378 desc->flags, desc->opcode, desc->datalen, desc->retval, 1379 desc->cookie_high, desc->cookie_low, 1380 desc->params.internal.param0, 1381 desc->params.internal.param1, 1382 desc->params.internal.param2, 1383 desc->params.internal.param3); 1384 print_hex_dump(KERN_INFO, "AQ buffer WB: ", 1385 DUMP_PREFIX_OFFSET, 16, 1, 1386 buff, buffer_len, true); 1387 kfree(buff); 1388 buff = NULL; 1389 kfree(desc); 1390 desc = NULL; 1391 } else if (strncmp(cmd_buf, "fd current cnt", 14) == 0) { 1392 dev_info(&pf->pdev->dev, "FD current total filter count for this interface: %d\n", 1393 i40e_get_current_fd_count(pf)); 1394 } else if (strncmp(cmd_buf, "lldp", 4) == 0) { 1395 if (strncmp(&cmd_buf[5], "stop", 4) == 0) { 1396 int ret; 1397 1398 ret = i40e_aq_stop_lldp(&pf->hw, false, false, NULL); 1399 if (ret) { 1400 dev_info(&pf->pdev->dev, 1401 "Stop LLDP AQ command failed =0x%x\n", 1402 pf->hw.aq.asq_last_status); 1403 goto command_write_done; 1404 } 1405 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1406 pf->hw.mac.addr, 1407 ETH_P_LLDP, 0, 1408 pf->vsi[pf->lan_vsi]->seid, 1409 0, true, NULL, NULL); 1410 if (ret) { 1411 dev_info(&pf->pdev->dev, 1412 "%s: Add Control Packet Filter AQ command failed =0x%x\n", 1413 __func__, pf->hw.aq.asq_last_status); 1414 goto command_write_done; 1415 } 1416 #ifdef CONFIG_I40E_DCB 1417 pf->dcbx_cap = DCB_CAP_DCBX_HOST | 1418 DCB_CAP_DCBX_VER_IEEE; 1419 #endif /* CONFIG_I40E_DCB */ 1420 } else if (strncmp(&cmd_buf[5], "start", 5) == 0) { 1421 int ret; 1422 1423 ret = i40e_aq_add_rem_control_packet_filter(&pf->hw, 1424 pf->hw.mac.addr, 1425 ETH_P_LLDP, 0, 1426 pf->vsi[pf->lan_vsi]->seid, 1427 0, false, NULL, NULL); 1428 if (ret) { 1429 dev_info(&pf->pdev->dev, 1430 "%s: Remove Control Packet Filter AQ command failed =0x%x\n", 1431 __func__, pf->hw.aq.asq_last_status); 1432 /* Continue and start FW LLDP anyways */ 1433 } 1434 1435 ret = i40e_aq_start_lldp(&pf->hw, false, NULL); 1436 if (ret) { 1437 dev_info(&pf->pdev->dev, 1438 "Start LLDP AQ command failed =0x%x\n", 1439 pf->hw.aq.asq_last_status); 1440 goto command_write_done; 1441 } 1442 #ifdef CONFIG_I40E_DCB 1443 pf->dcbx_cap = DCB_CAP_DCBX_LLD_MANAGED | 1444 DCB_CAP_DCBX_VER_IEEE; 1445 #endif /* CONFIG_I40E_DCB */ 1446 } else if (strncmp(&cmd_buf[5], 1447 "get local", 9) == 0) { 1448 u16 llen, rlen; 1449 int ret; 1450 u8 *buff; 1451 1452 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1453 if (!buff) 1454 goto command_write_done; 1455 1456 ret = i40e_aq_get_lldp_mib(&pf->hw, 0, 1457 I40E_AQ_LLDP_MIB_LOCAL, 1458 buff, I40E_LLDPDU_SIZE, 1459 &llen, &rlen, NULL); 1460 if (ret) { 1461 dev_info(&pf->pdev->dev, 1462 "Get LLDP MIB (local) AQ command failed =0x%x\n", 1463 pf->hw.aq.asq_last_status); 1464 kfree(buff); 1465 buff = NULL; 1466 goto command_write_done; 1467 } 1468 dev_info(&pf->pdev->dev, "LLDP MIB (local)\n"); 1469 print_hex_dump(KERN_INFO, "LLDP MIB (local): ", 1470 DUMP_PREFIX_OFFSET, 16, 1, 1471 buff, I40E_LLDPDU_SIZE, true); 1472 kfree(buff); 1473 buff = NULL; 1474 } else if (strncmp(&cmd_buf[5], "get remote", 10) == 0) { 1475 u16 llen, rlen; 1476 int ret; 1477 u8 *buff; 1478 1479 buff = kzalloc(I40E_LLDPDU_SIZE, GFP_KERNEL); 1480 if (!buff) 1481 goto command_write_done; 1482 1483 ret = i40e_aq_get_lldp_mib(&pf->hw, 1484 I40E_AQ_LLDP_BRIDGE_TYPE_NEAREST_BRIDGE, 1485 I40E_AQ_LLDP_MIB_REMOTE, 1486 buff, I40E_LLDPDU_SIZE, 1487 &llen, &rlen, NULL); 1488 if (ret) { 1489 dev_info(&pf->pdev->dev, 1490 "Get LLDP MIB (remote) AQ command failed =0x%x\n", 1491 pf->hw.aq.asq_last_status); 1492 kfree(buff); 1493 buff = NULL; 1494 goto command_write_done; 1495 } 1496 dev_info(&pf->pdev->dev, "LLDP MIB (remote)\n"); 1497 print_hex_dump(KERN_INFO, "LLDP MIB (remote): ", 1498 DUMP_PREFIX_OFFSET, 16, 1, 1499 buff, I40E_LLDPDU_SIZE, true); 1500 kfree(buff); 1501 buff = NULL; 1502 } else if (strncmp(&cmd_buf[5], "event on", 8) == 0) { 1503 int ret; 1504 1505 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1506 true, NULL); 1507 if (ret) { 1508 dev_info(&pf->pdev->dev, 1509 "Config LLDP MIB Change Event (on) AQ command failed =0x%x\n", 1510 pf->hw.aq.asq_last_status); 1511 goto command_write_done; 1512 } 1513 } else if (strncmp(&cmd_buf[5], "event off", 9) == 0) { 1514 int ret; 1515 1516 ret = i40e_aq_cfg_lldp_mib_change_event(&pf->hw, 1517 false, NULL); 1518 if (ret) { 1519 dev_info(&pf->pdev->dev, 1520 "Config LLDP MIB Change Event (off) AQ command failed =0x%x\n", 1521 pf->hw.aq.asq_last_status); 1522 goto command_write_done; 1523 } 1524 } 1525 } else if (strncmp(cmd_buf, "nvm read", 8) == 0) { 1526 u16 buffer_len, bytes; 1527 u16 module; 1528 u32 offset; 1529 u16 *buff; 1530 int ret; 1531 1532 cnt = sscanf(&cmd_buf[8], "%hx %x %hx", 1533 &module, &offset, &buffer_len); 1534 if (cnt == 0) { 1535 module = 0; 1536 offset = 0; 1537 buffer_len = 0; 1538 } else if (cnt == 1) { 1539 offset = 0; 1540 buffer_len = 0; 1541 } else if (cnt == 2) { 1542 buffer_len = 0; 1543 } else if (cnt > 3) { 1544 dev_info(&pf->pdev->dev, 1545 "nvm read: bad command string, cnt=%d\n", cnt); 1546 goto command_write_done; 1547 } 1548 1549 /* set the max length */ 1550 buffer_len = min_t(u16, buffer_len, I40E_MAX_AQ_BUF_SIZE/2); 1551 1552 bytes = 2 * buffer_len; 1553 1554 /* read at least 1k bytes, no more than 4kB */ 1555 bytes = clamp(bytes, (u16)1024, (u16)I40E_MAX_AQ_BUF_SIZE); 1556 buff = kzalloc(bytes, GFP_KERNEL); 1557 if (!buff) 1558 goto command_write_done; 1559 1560 ret = i40e_acquire_nvm(&pf->hw, I40E_RESOURCE_READ); 1561 if (ret) { 1562 dev_info(&pf->pdev->dev, 1563 "Failed Acquiring NVM resource for read err=%d status=0x%x\n", 1564 ret, pf->hw.aq.asq_last_status); 1565 kfree(buff); 1566 goto command_write_done; 1567 } 1568 1569 ret = i40e_aq_read_nvm(&pf->hw, module, (2 * offset), 1570 bytes, (u8 *)buff, true, NULL); 1571 i40e_release_nvm(&pf->hw); 1572 if (ret) { 1573 dev_info(&pf->pdev->dev, 1574 "Read NVM AQ failed err=%d status=0x%x\n", 1575 ret, pf->hw.aq.asq_last_status); 1576 } else { 1577 dev_info(&pf->pdev->dev, 1578 "Read NVM module=0x%x offset=0x%x words=%d\n", 1579 module, offset, buffer_len); 1580 if (bytes) 1581 print_hex_dump(KERN_INFO, "NVM Dump: ", 1582 DUMP_PREFIX_OFFSET, 16, 2, 1583 buff, bytes, true); 1584 } 1585 kfree(buff); 1586 buff = NULL; 1587 } else { 1588 dev_info(&pf->pdev->dev, "unknown command '%s'\n", cmd_buf); 1589 dev_info(&pf->pdev->dev, "available commands\n"); 1590 dev_info(&pf->pdev->dev, " add vsi [relay_seid]\n"); 1591 dev_info(&pf->pdev->dev, " del vsi [vsi_seid]\n"); 1592 dev_info(&pf->pdev->dev, " add relay <uplink_seid> <vsi_seid>\n"); 1593 dev_info(&pf->pdev->dev, " del relay <relay_seid>\n"); 1594 dev_info(&pf->pdev->dev, " add pvid <vsi_seid> <vid>\n"); 1595 dev_info(&pf->pdev->dev, " del pvid <vsi_seid>\n"); 1596 dev_info(&pf->pdev->dev, " dump switch\n"); 1597 dev_info(&pf->pdev->dev, " dump vsi [seid]\n"); 1598 dev_info(&pf->pdev->dev, " dump desc tx <vsi_seid> <ring_id> [<desc_n>]\n"); 1599 dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); 1600 dev_info(&pf->pdev->dev, " dump desc xdp <vsi_seid> <ring_id> [<desc_n>]\n"); 1601 dev_info(&pf->pdev->dev, " dump desc aq\n"); 1602 dev_info(&pf->pdev->dev, " dump reset stats\n"); 1603 dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); 1604 dev_info(&pf->pdev->dev, " read <reg>\n"); 1605 dev_info(&pf->pdev->dev, " write <reg> <value>\n"); 1606 dev_info(&pf->pdev->dev, " clear_stats vsi [seid]\n"); 1607 dev_info(&pf->pdev->dev, " clear_stats port\n"); 1608 dev_info(&pf->pdev->dev, " pfr\n"); 1609 dev_info(&pf->pdev->dev, " corer\n"); 1610 dev_info(&pf->pdev->dev, " globr\n"); 1611 dev_info(&pf->pdev->dev, " send aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3>\n"); 1612 dev_info(&pf->pdev->dev, " send indirect aq_cmd <flags> <opcode> <datalen> <retval> <cookie_h> <cookie_l> <param0> <param1> <param2> <param3> <buffer_len>\n"); 1613 dev_info(&pf->pdev->dev, " fd current cnt"); 1614 dev_info(&pf->pdev->dev, " lldp start\n"); 1615 dev_info(&pf->pdev->dev, " lldp stop\n"); 1616 dev_info(&pf->pdev->dev, " lldp get local\n"); 1617 dev_info(&pf->pdev->dev, " lldp get remote\n"); 1618 dev_info(&pf->pdev->dev, " lldp event on\n"); 1619 dev_info(&pf->pdev->dev, " lldp event off\n"); 1620 dev_info(&pf->pdev->dev, " nvm read [module] [word_offset] [word_count]\n"); 1621 } 1622 1623 command_write_done: 1624 kfree(cmd_buf); 1625 cmd_buf = NULL; 1626 return count; 1627 } 1628 1629 static const struct file_operations i40e_dbg_command_fops = { 1630 .owner = THIS_MODULE, 1631 .open = simple_open, 1632 .read = i40e_dbg_command_read, 1633 .write = i40e_dbg_command_write, 1634 }; 1635 1636 /************************************************************** 1637 * netdev_ops 1638 * The netdev_ops entry in debugfs is for giving the driver commands 1639 * to be executed from the netdev operations. 1640 **************************************************************/ 1641 static char i40e_dbg_netdev_ops_buf[256] = ""; 1642 1643 /** 1644 * i40e_dbg_netdev_ops - read for netdev_ops datum 1645 * @filp: the opened file 1646 * @buffer: where to write the data for the user to read 1647 * @count: the size of the user's buffer 1648 * @ppos: file position offset 1649 **/ 1650 static ssize_t i40e_dbg_netdev_ops_read(struct file *filp, char __user *buffer, 1651 size_t count, loff_t *ppos) 1652 { 1653 struct i40e_pf *pf = filp->private_data; 1654 int bytes_not_copied; 1655 int buf_size = 256; 1656 char *buf; 1657 int len; 1658 1659 /* don't allow partal reads */ 1660 if (*ppos != 0) 1661 return 0; 1662 if (count < buf_size) 1663 return -ENOSPC; 1664 1665 buf = kzalloc(buf_size, GFP_KERNEL); 1666 if (!buf) 1667 return -ENOSPC; 1668 1669 len = snprintf(buf, buf_size, "%s: %s\n", 1670 pf->vsi[pf->lan_vsi]->netdev->name, 1671 i40e_dbg_netdev_ops_buf); 1672 1673 bytes_not_copied = copy_to_user(buffer, buf, len); 1674 kfree(buf); 1675 1676 if (bytes_not_copied) 1677 return -EFAULT; 1678 1679 *ppos = len; 1680 return len; 1681 } 1682 1683 /** 1684 * i40e_dbg_netdev_ops_write - write into netdev_ops datum 1685 * @filp: the opened file 1686 * @buffer: where to find the user's data 1687 * @count: the length of the user's data 1688 * @ppos: file position offset 1689 **/ 1690 static ssize_t i40e_dbg_netdev_ops_write(struct file *filp, 1691 const char __user *buffer, 1692 size_t count, loff_t *ppos) 1693 { 1694 struct i40e_pf *pf = filp->private_data; 1695 int bytes_not_copied; 1696 struct i40e_vsi *vsi; 1697 char *buf_tmp; 1698 int vsi_seid; 1699 int i, cnt; 1700 1701 /* don't allow partial writes */ 1702 if (*ppos != 0) 1703 return 0; 1704 if (count >= sizeof(i40e_dbg_netdev_ops_buf)) 1705 return -ENOSPC; 1706 1707 memset(i40e_dbg_netdev_ops_buf, 0, sizeof(i40e_dbg_netdev_ops_buf)); 1708 bytes_not_copied = copy_from_user(i40e_dbg_netdev_ops_buf, 1709 buffer, count); 1710 if (bytes_not_copied) 1711 return -EFAULT; 1712 i40e_dbg_netdev_ops_buf[count] = '\0'; 1713 1714 buf_tmp = strchr(i40e_dbg_netdev_ops_buf, '\n'); 1715 if (buf_tmp) { 1716 *buf_tmp = '\0'; 1717 count = buf_tmp - i40e_dbg_netdev_ops_buf + 1; 1718 } 1719 1720 if (strncmp(i40e_dbg_netdev_ops_buf, "change_mtu", 10) == 0) { 1721 int mtu; 1722 1723 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i %i", 1724 &vsi_seid, &mtu); 1725 if (cnt != 2) { 1726 dev_info(&pf->pdev->dev, "change_mtu <vsi_seid> <mtu>\n"); 1727 goto netdev_ops_write_done; 1728 } 1729 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1730 if (!vsi) { 1731 dev_info(&pf->pdev->dev, 1732 "change_mtu: VSI %d not found\n", vsi_seid); 1733 } else if (!vsi->netdev) { 1734 dev_info(&pf->pdev->dev, "change_mtu: no netdev for VSI %d\n", 1735 vsi_seid); 1736 } else if (rtnl_trylock()) { 1737 vsi->netdev->netdev_ops->ndo_change_mtu(vsi->netdev, 1738 mtu); 1739 rtnl_unlock(); 1740 dev_info(&pf->pdev->dev, "change_mtu called\n"); 1741 } else { 1742 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1743 } 1744 1745 } else if (strncmp(i40e_dbg_netdev_ops_buf, "set_rx_mode", 11) == 0) { 1746 cnt = sscanf(&i40e_dbg_netdev_ops_buf[11], "%i", &vsi_seid); 1747 if (cnt != 1) { 1748 dev_info(&pf->pdev->dev, "set_rx_mode <vsi_seid>\n"); 1749 goto netdev_ops_write_done; 1750 } 1751 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1752 if (!vsi) { 1753 dev_info(&pf->pdev->dev, 1754 "set_rx_mode: VSI %d not found\n", vsi_seid); 1755 } else if (!vsi->netdev) { 1756 dev_info(&pf->pdev->dev, "set_rx_mode: no netdev for VSI %d\n", 1757 vsi_seid); 1758 } else if (rtnl_trylock()) { 1759 vsi->netdev->netdev_ops->ndo_set_rx_mode(vsi->netdev); 1760 rtnl_unlock(); 1761 dev_info(&pf->pdev->dev, "set_rx_mode called\n"); 1762 } else { 1763 dev_info(&pf->pdev->dev, "Could not acquire RTNL - please try again\n"); 1764 } 1765 1766 } else if (strncmp(i40e_dbg_netdev_ops_buf, "napi", 4) == 0) { 1767 cnt = sscanf(&i40e_dbg_netdev_ops_buf[4], "%i", &vsi_seid); 1768 if (cnt != 1) { 1769 dev_info(&pf->pdev->dev, "napi <vsi_seid>\n"); 1770 goto netdev_ops_write_done; 1771 } 1772 vsi = i40e_dbg_find_vsi(pf, vsi_seid); 1773 if (!vsi) { 1774 dev_info(&pf->pdev->dev, "napi: VSI %d not found\n", 1775 vsi_seid); 1776 } else if (!vsi->netdev) { 1777 dev_info(&pf->pdev->dev, "napi: no netdev for VSI %d\n", 1778 vsi_seid); 1779 } else { 1780 for (i = 0; i < vsi->num_q_vectors; i++) 1781 napi_schedule(&vsi->q_vectors[i]->napi); 1782 dev_info(&pf->pdev->dev, "napi called\n"); 1783 } 1784 } else { 1785 dev_info(&pf->pdev->dev, "unknown command '%s'\n", 1786 i40e_dbg_netdev_ops_buf); 1787 dev_info(&pf->pdev->dev, "available commands\n"); 1788 dev_info(&pf->pdev->dev, " change_mtu <vsi_seid> <mtu>\n"); 1789 dev_info(&pf->pdev->dev, " set_rx_mode <vsi_seid>\n"); 1790 dev_info(&pf->pdev->dev, " napi <vsi_seid>\n"); 1791 } 1792 netdev_ops_write_done: 1793 return count; 1794 } 1795 1796 static const struct file_operations i40e_dbg_netdev_ops_fops = { 1797 .owner = THIS_MODULE, 1798 .open = simple_open, 1799 .read = i40e_dbg_netdev_ops_read, 1800 .write = i40e_dbg_netdev_ops_write, 1801 }; 1802 1803 /** 1804 * i40e_dbg_pf_init - setup the debugfs directory for the PF 1805 * @pf: the PF that is starting up 1806 **/ 1807 void i40e_dbg_pf_init(struct i40e_pf *pf) 1808 { 1809 const char *name = pci_name(pf->pdev); 1810 1811 pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root); 1812 1813 debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf, 1814 &i40e_dbg_command_fops); 1815 1816 debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf, 1817 &i40e_dbg_netdev_ops_fops); 1818 } 1819 1820 /** 1821 * i40e_dbg_pf_exit - clear out the PF's debugfs entries 1822 * @pf: the PF that is stopping 1823 **/ 1824 void i40e_dbg_pf_exit(struct i40e_pf *pf) 1825 { 1826 debugfs_remove_recursive(pf->i40e_dbg_pf); 1827 pf->i40e_dbg_pf = NULL; 1828 } 1829 1830 /** 1831 * i40e_dbg_init - start up debugfs for the driver 1832 **/ 1833 void i40e_dbg_init(void) 1834 { 1835 i40e_dbg_root = debugfs_create_dir(i40e_driver_name, NULL); 1836 if (!i40e_dbg_root) 1837 pr_info("init of debugfs failed\n"); 1838 } 1839 1840 /** 1841 * i40e_dbg_exit - clean out the driver's debugfs entries 1842 **/ 1843 void i40e_dbg_exit(void) 1844 { 1845 debugfs_remove_recursive(i40e_dbg_root); 1846 i40e_dbg_root = NULL; 1847 } 1848 1849 #endif /* CONFIG_DEBUG_FS */ 1850